openstack
/
nova
Code Issues Proposed changes

Debug messages for host filters. 

This will help people work out why they have NoValidHosts when
things go wrong. Resolves bug 955650

Change-Id: I042937351010e85648cbc1aa0f029dbb5a402eb7
This commit is contained in:
Michael Still 2012-03-15 15:04:37 +11:00
parent 30b8e35e80
commit 7f64fa8141
1 changed files with 13 additions and 0 deletions
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13
nova/scheduler/host_manager.py
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@ -141,13 +141,26 @@ class HostState(object):
"""Return whether or not this host passes filters."""
if self.host in filter_properties.get('ignore_hosts', []):
LOG.debug(_('Host filter fails for ignored host %(host)s'),
{'host': self.host})
return False
force_hosts = filter_properties.get('force_hosts', [])
if force_hosts:
if not self.host in force_hosts:
LOG.debug(_('Host filter fails for non-forced host %(host)s'),
{'host': self.host})
return self.host in force_hosts
for filter_fn in filter_fns:
if not filter_fn(self, filter_properties):
LOG.debug(_('Host filter function %(func)s failed for '
'%(host)s'),
{'func': repr(filter_fn),
'host': self.host})
return False
LOG.debug(_('Host filter passes for %(host)s'), {'host': self.host})
return True
def __repr__(self):